#!/bin/bash

#############################################################################

# Copyright (c) 2011 SUSE

# All Rights Reserved.

#

# This program is free software; you can redistribute it and/or

# modify it under the terms of version 2 of the GNU General Public License as

# published by the Free Software Foundation.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.   See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, contact Novell, Inc.

#

# To contact Novell about this file by physical or electronic mail,

# you may find current contact information at www.novell.com

#############################################################################

# we try to find config options that are the same in all

# configs we pass as parameters

if [ ! "$1" ]; then

    echo "Common config checker"

    echo

    echo "Allows for new architectures to find out which options"

    echo "are generic SUSE options so we can set them too."

    echo

    echo "Usage: $0 <config> <config> ..."

    exit 1

fi

TMPFILE=/tmp/common_tmp.$$

sort "$@" | uniq -d -c > $TMPFILE

CONF_NR="$#"

while read COUNT LINE OPTION_NO; do

    if [ "${LINE:0:7}" = "CONFIG_" ]; then

        OPTION=$(echo $LINE | cut -d = -f 1)

    elif [ "${OPTION_NO:0:7}" = "CONFIG_" ]; then

        OPTION=$OPTION_NO

    else

        continue

    fi

    if [ "$COUNT" = "$CONF_NR" ]; then

        echo "$LINE" "$OPTION_NO"

    fi

done < $TMPFILE